: Ensure the firmware matches your panel resolution ( 1366x768 ) to avoid a distorted or upside-down display.

: Most of these files are for USB Recovery . Rename the extracted file (usually allupgrade_...bin ) according to your board's requirements, place it on a FAT32-formatted USB drive, and power on the TV while holding the power button.

: They provide various USB Firmware Software for smart boards, including the PB802 series. Important Installation Notes

: A well-known resource for LED TV firmware. While they often list the TP.SK508.PB801 , you can search their main site for the variant specifically.